hyperstream/tools/splitter_of_list/2016-12-07_v0.0.1.py
# The MIT License (MIT)
# Copyright (c) 2014-2017 University of Bristol
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
# DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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# OR OTHER DEALINGS IN THE SOFTWARE.
from hyperstream.tool import MultiOutputTool
from hyperstream.stream import StreamMetaInstance
import logging
class SplitterOfList(MultiOutputTool):
def __init__(self, mapping):
super(SplitterOfList, self).__init__(mapping=mapping)
def _execute(self, source, splitting_stream, interval, meta_data_id, output_plate_values):
if splitting_stream is not None:
raise NotImplementedError("Splitting stream not supported for this tool")
for timestamp, value in source.window(interval, force_calculation=True):
for i in range(len(self.mapping)):
plate_value = self.mapping[i]
try:
yield StreamMetaInstance((timestamp, value[i]), (meta_data_id, plate_value))
except (ValueError, AttributeError, KeyError):
logging.warn("List too short to slice at {} with meta data {} in SplitterOfList"
.format(i, plate_value))